{"id":30419,"date":"2026-09-22T09:21:04","date_gmt":"2026-09-22T07:21:04","guid":{"rendered":"https:\/\/www.orteanext.com\/case-histories\/dzn0-k9-1250-kva-transformers-with-interleaved-core-for-data-centres\/"},"modified":"2026-09-22T09:26:42","modified_gmt":"2026-09-22T07:26:42","slug":"transformateurs-dzn0-k9-de-1250-kva-avec-noyau-intercale-pour-data-centers","status":"publish","type":"case","link":"https:\/\/www.orteanext.com\/fr\/case-histories\/transformateurs-dzn0-k9-de-1250-kva-avec-noyau-intercale-pour-data-centers\/","title":{"rendered":"TRANSFORMATEURS DZN0 K9 DE 1250 KVA AVEC NOYAU INTERCALE POUR DATA CENTERS"},"content":{"rendered":"<h2>LE CLIENT<\/h2>\n<p>Un int\u00e9grateur de syst\u00e8mes sp\u00e9cialis\u00e9 dans les infrastructures \u00e9lectriques pour data centers, impliqu\u00e9 dans un projet destin\u00e9 \u00e0 <strong>l\u2019un des principaux op\u00e9rateurs cloud hyperscale au niveau mondial<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<h2>LE BESOIN<\/h2>\n<p>Dans les data centers, la distribution \u00e9lectrique doit alimenter des charges tr\u00e8s sensibles et souvent non lin\u00e9aires : UPS, serveurs, \u00e9quipements IT, syst\u00e8mes auxiliaires et tableaux de distribution. Le projet n\u00e9cessitait des transformateurs capables d\u2019assurer isolement galvanique, gestion des harmoniques, stabilit\u00e9 de distribution et surveillance thermique, tout en conservant une efficacit\u00e9 \u00e9lev\u00e9e, des dimensions ma\u00eetris\u00e9es et des configurations adapt\u00e9es \u00e0 des locaux techniques d\u00e9di\u00e9s. La pr\u00e9sence de charges \u00e9lectroniques rendait \u00e9galement n\u00e9cessaire un transformateur con\u00e7u avec facteur K, comportement thermique fiable et protection contre le transfert des perturbations entre primaire et secondaire.<\/p>\n<p>&nbsp;<\/p>\n<h2>NOTRE SOLUTION<\/h2>\n<p>Ortea a fourni <strong>8 transformateurs d\u2019isolement triphas\u00e9s DZN0 K9 Al IP00 de 1250 kVA &#8211; HE<\/strong>, adapt\u00e9s au fonctionnement 50\/60 Hz, avec une entr\u00e9e 400 V \u00b110 % et une sortie 400 V \u00e0 vide. La configuration pr\u00e9voit un primaire en triangle, un secondaire zig-zag avec neutre et un groupe vectoriel Dzn0 : un choix technique important lorsque la gestion du neutre et la robustesse de la distribution sont des \u00e9l\u00e9ments essentiels pour les charges critiques.<\/p>\n<p>Le noyau intercal\u00e9 en GO M4 haute performance, associ\u00e9 aux enroulements en aluminium, contribue \u00e0 \u00e9quilibrer performances, pertes et comportement thermique.<\/p>\n<p>Chaque unit\u00e9 int\u00e8gre :<\/p>\n<ul>\n<li>Classe d\u2019isolation H<\/li>\n<li>Classe thermique F<\/li>\n<li>\u00c9chauffement 100 \u00b0C<\/li>\n<li>Courant \u00e0 vide inf\u00e9rieur \u00e0 1 %<\/li>\n<li>Prises primaires \u00b12 x 5,0 %<\/li>\n<\/ul>\n<p>Le rendement d\u00e9clar\u00e9 est de 98,64 % @115 \u00b0C @50 Hz. Pour r\u00e9pondre aux exigences d\u2019installation, la fourniture comprend des transformateurs IP00 pour installation int\u00e9rieure avec base renforc\u00e9e.<\/p>\n<p>Les principaux b\u00e9n\u00e9fices concernent :<\/p>\n<ul>\n<li>Isolement galvanique pour prot\u00e9ger les charges sensibles du data center.<\/li>\n<li>Facteur K9 pour une meilleure gestion des charges non lin\u00e9aires et des harmoniques.<\/li>\n<li>Groupe Dzn0 avec secondaire zig-zag + neutre pour une distribution robuste vers les charges critiques.<\/li>\n<li>\u00c9cran \u00e9lectrostatique reli\u00e9 \u00e0 la terre pour r\u00e9duire le transfert des perturbations.<\/li>\n<li>Surveillance thermique avec sondes PT100, sonde noyau et centrale de contr\u00f4le.<\/li>\n<li>Rendement d\u00e9clar\u00e9 de 98,64 %, utile pour limiter les pertes d\u2019exploitation.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong><a href=\"https:\/\/www.orteanext.com\/fr\/applications\/applications-technologiques\/charges-non-protegees\/\">Pour en savoir plus sur nos transformateurs<\/a><\/strong><\/p>\n","protected":false},"featured_media":30420,"template":"","sector":[24298],"tech":[24319],"class_list":["post-30419","case","type-case","status-publish","has-post-thumbnail","hentry","sector-services-fr","tech-transformateurs-racteurs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Transformateurs Dzn0 K9 1250 kVA pour data centers | Ortea<\/title>\n<meta name=\"description\" content=\"Ortea fournit 8 transformateurs d\u2019isolement Dzn0 K9 de 1250 kVA pour un data center hyperscale : noyau GO M4, \u00e9cran \u00e9lectrostatique, prises au primaire, PT100 et rendement 98,64%.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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